Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 3901.13－278.65×（2h*h+5.4h+1.645） ≤0.7×1.0×1.71×103×（3h+5.4）h .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        3901.13 - 278.65 × ( 2 * h * h + 5.4 * h + 1.645 ) ≤0.7 × 1.0 × 1.71 × 103 × ( 3 * h + 5.4 ) * h         (1)

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    From inequality(1)：
         h ≤ -3.425079 或  h ≥ 1.084112

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    The final solution set is :
         h ≤ -3.425079 或  h ≥ 1.084112

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